8.8: Significant Weather Prognostic Charts (SIGWX)

Question 1

How are significant weather prognostic charts best used by a pilot?

A. For overall planning at all altitudes.
B. For determining areas to avoid (freezing levels and turbulence).
C. For analyzing current frontal activity and cloud coverage.

Answer 1

For determining areas to avoid (freezing levels and turbulence).

Question 2

Interpret the weather symbol depicted in Utah on the 12-hour Significant Weather Prognostic Chart.

A. Moderate turbulence, surface to 18,000 feet.
B. Thunderstorm tops at 18,000 feet.
C. Base of clear air turbulence, 18,000 feet.

Answer 2

Moderate turbulence, surface to 18,000 feet.

Question 3

At what altitude is the freezing level over the middle of Florida on the 12-hour Significant Weather Prognostic Chart?

A. 4,000 feet.
B. 8,000 feet.
C. 12,000 feet.

Answer 3

12,000 feet.

Question 4

You are preparing for a flight with a planned arrival in southern Georgia at 0600Z. What conditions should you expect when landing?

A. Moderate turbulence.
B. Marginal VFR conditions.
C. Instrument meteorological conditions.

Answer 4

Instrument meteorological conditions.